297149 has 4 divisors (see below), whose sum is σ = 299136. Its totient is φ = 295164.

The previous prime is 297133. The next prime is 297151. The reversal of 297149 is 941792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 297149 - 2⁴ = 297133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749 + ... + 1074.

It is an arithmetic number, because the mean of its divisors is an integer number (74784).

2²⁹⁷¹⁴⁹ is an apocalyptic number.

It is an amenable number.

297149 is a deficient number, since it is larger than the sum of its proper divisors (1987).

297149 is a wasteful number, since it uses less digits than its factorization.

297149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986.

The product of its digits is 4536, while the sum is 32.

The square root of 297149 is about 545.1137495973. The cubic root of 297149 is about 66.7305581930.

It can be divided in two parts, 297 and 149, that multiplied together give a triangular number (44253 = T₂₉₇).

The spelling of 297149 in words is "two hundred ninety-seven thousand, one hundred forty-nine".